Conditional assessment and remodelling of underground sewerage system in boulevard area at Puducherry

BILL OF QUANTITIES

NAME OF WORK: Conditional assessment and remodeling of underground sewerage system in boulevard area at Puducherry.

Sr. No Name of Component Quantity Unit

A. Section -A Assessment Work

Topographical survey to determine sewer alignment including GL,IL

connection sewer/laterals levels MH positions, tracing of buried manholes

along alignment, proximity of structures, measurements of exact length

between manholes & submission of detailed report and drawings in

approved format in three sets of hard copy and one set of soft copy. ( At

time of starting the work)

Topographical survey to determine sewer alignment including GL,IL

connection sewer/laterals levels MH positions, tracing of buried manholes

along alignment, proximity of structures, measurements of exact length

between manholes & submission of detailed report and drawings in

approved format in three sets of hard copy and one set of soft copy. ( After

completion of work)

Online Sewer Pipeline Inspection & Acoustic profiling by SONAR

technology, of sewer pipelines in running condition without stoppage of flow

using robotic Sewer Trekker platform for the purpose of silt-level-estimation

and diameter measurement including submission of electronic report in 3

sets of DVDs and one hard copy. This shall include opening and closing of

manholes, insertion and removal of apparatus, traffic diversion, if needed,

ensuring all the necessary safety precautions in compliance with PEMS Act,

a) 150mm to < 450 mm Dia Sewer line 42446.00 Meter 460.00 19,525,160.00

b) 450mm to < 600 mm Dia Sewer line 1438.00 Meter 610.00 877,180.00

c) 600mm to < 900 mm Dia Sewer line 660.00 Meter 815.00 537,900.00

d) 900mm to < 1600 mm Dia Sewer line 113.00 Meter 1,085.00 122,605.00

Providing a complete sewer bypassing system including, but not limited to,

developing a sewer bypassing plan, developing a spill prevention and

emergency response plan, submitting and obtaining approval from the

Engineer-in-Charge for the sewer bypassing plan and the spill prevention

and emergency response plan, implementing the bypassing and spill

prevention and emergency response plan, providing bypassing in

accordance with the approved plans throughout the duration of the Work

including furnishing labor, materials, equipment, and incidentals required to

maintain continuous and reliable wastewater service in all wastewater lines

during construction, constructing and maintaining temporary bypass sewers

to maintain continuous and reliable wastewater flow in all pipes, including

individual service connections, removing and disposing off all offensive

matter spilled during the bypass pumping as per the instructions of

Engineer-in-Charge. In line with the specifications prescribed in IndSTT:201-

2018: Code of Pra floor filling area including excavation channel along the

wall & rodding etc

a) For manhole of pipe up to 300mm Dia 176 Per manhole 45,220.00 7,958,720.00

b) For manhole of pipe up to 600mm Dia 13 Per manhole 69,020.00 897,260.00

c) For manhole of pipe up to 900mm Dia 2 Per manhole 92,820.00 185,640.00

d) For manhole of pipe up to 1200mm Dia 1 Per manhole 130,900.00 130,900.00

Loosen desilt and througly clean and remove debris and objects such as

boulders, bricks etc, bacteriological slimes, roots,

encrustations,grease,carbonated deposits,etc from the sewer lines inluding

disposal of silt/debris/malba/objects etc, including solidification of

silt/malba/debris for disposal to the dumping site within 25km of the work

area as per the direction of the Engineer-in-charge.

a) 150mm Dia Sewer line 27487.00 Meter 722.93 19,871,039.48

b) 230mm Dia Sewer line 10438.00 Meter 1,445.85 15,091,782.30

c) 300mm Dia Sewer line 2938.00 Meter 1,686.83 4,955,891.85

d) 380mm Dia Sewer line 2875.00 Meter 2,249.10 6,466,162.50

e) 450mm Dia Sewer line 142.00 Meter 2,570.40 364,996.80

f) 530/550mm Dia Sewer line 146.00 Meter 2,811.38 410,460.75

g) 700mm Dia Sewer line 521.00 Meter 4,731.14 2,464,925.24

h) 750mm Dia Sewer line 139.00 Meter 4,731.14 657,628.81

i) 900mm Dia Sewer line 113.00 Meter 4,731.14 534,619.10

Digitally signed by ANUJ

Evaluating pipeline condition through inline Closed Circuit Television survey

to assess the internal condition and material of the buried pipelines

including accurate measurement of the length & diameter / cross sections,

invert levels and other physical attributes of buried pipelines, identification

of all defects, joints and connections, measurement and recording of their

location / position, sizes, & conditions of such pipelines including provision

of survey report and records of the conditions, both through video recording

in PAL format on a new VHS cassette as well as a report on the structural

condition of the pipelines as per the instructions of the Engineer-in-Charge.

In line with the specifications prescribed in IndSTT:201-2018: Code of

Practice ( Latest will supercede) for Cured in Place Pipe Technique Suiting

Indian Conditions.

floor filling area including

excavation channel along the wall & rod

To perform a study of the hydraulic diameter of the existing pipeline network

and analysing the hydraulic model for the purpose of capacity building of

the pipeline network.

(Based on data from Section A)

(a) Hydraulic modelling for the entire existing sewerage system.

(b) Propose the new sections of the pipeline network to be laid for capacity

(c) To conduct a technical audit of entire sewer line including the proposed

augmented network and making a Hydraulic Model of the same including

carrying capacity.

Providing Report after studying the faults in the existing Sewer Pipeline

Network and preparing the rectification plan for the revival of the network.

(Based on data from Section B)

(a) Analysis of Conditional Assessment reports for studying the faults in the

sewer pipeline network for recommendation of rectification technology.

(b) Preparation of report including costing of Trenchless

Rehabilitation/Replacement of the sewerage system using the

recommended technologies, where required.

Section- D . On-Spot-Repair work for speedy recovery of Localized

faults in the Existing network

Consolidated charges for Robotic FIND & FIX On-Spot-Repair technology including

Mobilization of Beaver robotic crawler-based ROV equipment and accessories,

including supply of rolled-up sleeves and other consumables, for repair of faulty

pipelines using Find & Fix Sleeve Technology.

(a) Monitoring of On-Spot-Repair process using Pipeline CCTV Inspection

1 (b) Measurement of Internal Diameter of Pipe at the fault location using Laser

Inspection system.

(c) Installation of rolled-up-sleeves including required equipment for installation of

(d) Design, Manufacture and Supply of Robotically installable ROLLED-UPSleeves

made from SS-316 with self locking technology and compatible with Beaver™

series FIND & FIX On-Spot-Repair robots, of the following sizes. ( The minimum

Digitally signed by ANUJ

Section E-Rectification, Recovery & Augmentation of Existing network

Replacement of pipelines through static Pipe Bursting process including

making of bursting tool entry pits, all related civil works for site preparation,

like excavation, shoring/strutting,maintaining the pits,traffic management

etc.,flow stopppage by the appropriate stanking methods, bypass

pumping,installing the replacement pipe,restoring the pits/manholes after

1 replacement pipe installation etc., restoration of site after completion and

service reconnection as per the instructions of the Engineer-in-charge. This

includes supply of HDPE pipes at store or site of work including

loading/unloading, stacking, transit insurance etc.complete bearing ISI mark

and confirming to IS 14333:1996 & made from PE 100 Resin - Class IV (

6kg/cm2 ) (consolidated soil / rock not work)

Installation of HDPE product pipe by HDD method for on grade gravity

sewer including preparing and setting up the plant and equipment,

preparing new pipe-work material, making entry and exit pits uto required

depth m depth, installing new pipe-work and commissioning system or

making system ready for commissioning by HDD opearting including, all

related civil and mechanical works like excavation, shoring/strutting etc.

drilling, stringing, reaming, and pulling back the new pipe-work on the

designed before path alignment, porper disposal of drilling fluid and back fill

of site afetr completion all inclusive as per IndSTT:101-2018:( latest will

supercede) Code of Practice for Horizontal Directional Drilling technique

Suiting Indian Conditions. in any type of strata including jointing HDPE

pipes . etc complete

Procurement & Supplying of HDPE pipes including loading/unloading,

stacking, transit insurance,complete bearing ISI mark and confirming to IS

14333:1996 & made from PE 100 Resin - Class IV ( 6kg/cm2 ) for HDD

Installation of HDPE by Manual Pipe Jacking method including making of

entry and exit pits upto 3 tr depth, all related civil works like excavation,

shoring/strutting, etc., manual shielded excavation, lowering of pipe

segments in the jacking pit, laying and jointing of product pipeline through

jacking process from the jacking pit after project completion as per the

instructions of the Engineerin-Charge all complete except the cost of the

pipe. (upto 80 meter installation length) in any type of Strata . Rate includes

HDPE pipe welding/joiniting etc. complete

Installation of HDPE pipe by Microtunneling method including concrete

structural shaft of sheet piles/RCC retaining walls/well sinking/secant piling

as per respective site requirements (upto 100 m of installation length and 5

5 m depth) all inclusive as per IndSTT: 102-2018: Code of Practice for

MicroTunneling for slurry based microtunneling suitable for steel/RCC

jacking pipes suiting Indian condition. in any type of Strata . Rate includes

HDPE pipe welding/joiniting etc. complete

Digitally signed by ANUJ

Constructing brick masonry circular manhole 1.52 m internal dia at bottom

and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand)

inside cement plaster 12mm thick with cement mortar 1:3 (1 cement : 3

coarse sand) finished with a floating coat of neat cement , foundation

concrete 1:3:6 (1 cement : 3coarse sand : 6 graded stone aggregate 40 mm

nominal size) and making necessary channel in cement concrete 1:2:4 ( 1

cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

finished with a floating coat of neat cement , all complete as per standard

design - 2.30 m deep with SFRC cover and frame (heavy duty HD - 20

grade designation) 560 mm internal diameter conforming to IS : 12592, total

weight of cover and frame to be not less than 182 kg fixed in cement

concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20

mm nominal size) including centering , shuttering all complete. - with

common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond

7 2.30m - with commom burnt clay F.P.S. (non modular) bricks of class 30.00 Meter 19,086.00 572,580.13

designation 7.5

Constructing brick masonry circular manhole 1.22 m internal dia at bottom

and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand)

inside cement plaster 12mm thick with cement mortar 1:3 (1 cement : 3

coarse sand) finished with a floating coat of neat cement , foundation

concrete 1:3:6 (1 cement : 3coarse sand : 6 graded stone aggregate 40 mm

nominal size) and making necessary channel in cement concrete 1:2:4 ( 1

cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

finished with a floating coat of neat cement , all complete as per standard

design - 1.68 m deep with SFRC cover and frame (heavy duty HD - 20

grade designation) 560 mm internal diameter conforming to IS : 12592, total

weight of cover and frame to be not less than 182 kg fixed in cement

concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20

mm nominal size) including centering , shuttering all complete. - with

common burnt clay F.P.S.(non modular) bricks of class designation 7.5

Extra depth for circular type manhole 1.22 m internal dia (at bottom) beyond

9 1.68m to 2.29 m- with commom burnt clay F.P.S. (non modular) bricks of 15.00 Meter 8,081.01 121,215.09

class designation 7.5

Constructing brick masonry manhole in cement mortar 1:4 (1 cement : 4

coarse sand) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand

: 4 graded stone aggregate 20 mm nominal size ), foundation concrete

1:4:8 mix ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm

nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1

cement : 3 coarse sand) finished with floating coat of neat cement and

10 making channels in cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 25.00 Each 9,783.56 244,588.93

graded stone aggregate 20mm nominal size) finished with a floating coat of

neat cement complete as per standard design - inside size 90x80 cm and

45 cm deep including C.I. cover with frame (light duty) 455 X 610 mm

internal dimensions , total weight of cover and frame to be not less than 38

kg (weight of cover 23 kg and weight of frame 15 kg) - with common burnt

clay F.P.S. (non modular ) bricks of class designation 7.5

Constructing brick masonry manhole in cement mortar 1:4 (1 cement : 4

coarse sand) with R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand

: 4 graded stone aggregate 20 mm nominal size ), foundation concrete

1:4:8 mix ( 1 cement : 4 coarse sand : 8 graded stone aggregate 40 mm

nominal size), inside plastering 12 mm thick with cement mortar 1:3 (1

cement : 3 coarse sand) finished with floating coat of neat cement and

11 making channels in cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 25.00 Each 19,615.98 490,399.45

graded stone aggregate 20mm nominal size) finished with a floating coat of

neat cement complete as per standard design - inside size 120x90 cm and

90 cm deep including C.I. cover with frame (light duty) 455 X 610 mm

internal dimensions , total weight of cover and frame to be not less than 116

kg (weight of cover 58 kg and weight of frame 58 kg) - with common burnt

clay F.P.S. (non modular ) bricks of class designation 7.5

Extra for depth for manholes - size 90x80 cm - with common burnt clay

F.P.S (non modular) bricks of class designation 7.5

Extra for depth for manholes - size 120x90 cm - with common burnt clay

F.P.S (non modular) bricks of class designation 7.5

Digitally signed by ANUJ

Dewatering or sewage pumping out of pits / chamber/ Manhole/ diversion

of sewage to perform any of BOQ items or extra items and its disposal is

in scope of contractor and no extra amount/payment will be paid. Above

rates are including this activity.

Digitally signed by ANUJ